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338 Possible Causes for Bradycardia, Melatonin

  • Obstructive Sleep Apnea

    The interaction between reflex apnoea and bradycardia produced by injecting 5-HT into the nodose ganglion.[] Melatonin is manufactured from this serotonin so if the body is low on serotonin, the body will also be low on melatonin.[] Heart rates often change during apneic episodes, with relative bradycardia occurring during airway obstruction followed by tachycardia during arousals.[]

  • Sepsis

    Abstract A 60-year-old woman was admitted with sepsis, relative bradycardia, CT evidence of numerous small liver abscesses and 'skin bronzing' consistent with hereditary haemochromatosis[] Wen-Cao Liu, Xiaona Wang, Xinyu Zhang, Xi Chen and Xinchun Jin , Melatonin Supplementation, a Strategy to Prevent Neurological Diseases through Maintaining Integrity of Blood[] Bradycardia included for newborns and neonates.[]

  • Head Injury

    Melatonin as a free radical scavenger in experimental head trauma. Pediatr Neurosurg . 1999 Dec. 31(6):298-301. [Medline] .[]

  • Myocardial Infarction

    On occasion the physician may order atropine sulfate with morphine to counteract serious bradycardia.[] Hurwitz S, Cohen RJ, Williams GH: Diurnal variation of aldosterone and plasma renin activity: timing relation to melatonin and cortisol and consistency after prolonged bed[] Sleep length and quality, sleepiness and urinary melatonin among healthy Danish nurses with shift work during work and leisure time.[]

  • Pineal Gland Cyst

    […] producing hydrocephalus and clinical symptoms. 2 When present, the clinical symptoms include headache, vertigo, diplopia, blurred vision, hemiparesis, epilepsy, vomiting, bradycardia[] The peak plasma melatonin level that was measured at 2 am was 28 pg/mL. The patient underwent oral melatonin treatment (6 mg/day).[] Nonetheless, it is proven that it is synthesized melatonin, which affects the hypothalamo-pituitary system.[]

  • Subarachnoid Hemorrhage

    […] manifestations are non-specific, but commonly include: deep, symmetric T wave inversions 12 often referred to as "cerebral T waves" prolongation of the QT interval sinus bradycardia[] […] in the SAH melatonin-treated group.[] Potential side effects: Verapamil : hypotension, bradycardia, constipation Diltiazem : hypotension, bradycardia, risk of heart block Nifedipine : hypotension Propranolol :[]

  • Cerebral Edema

    HA, nausea, vomiting, papilledema, altered mental status, Chushings response increase in ICP with bradycardia Transtentorial (uncicate) herniation temporal lobe is compressed[] This review summarizes the beneficial effects of melatonin when used for treating cerebral edema.[] But headache can present with any number of disorders and is usually not diagnostic for cerebral edema Bradycardia and elevated blood pressure.[]

  • Brain Stem Herniation

    Cushing’s triad of signs includes hypertension, bradycardia and apnea. Dr.[] CN IV special characteristic arises dorsally and immediately decussates nerves that start from the same level - from medial to lateral pineal gland - is responsible for melatonin[] They may have nystagmus, pupillary dilatation, bradycardia, hypertension and respiratory depression.[]

  • Anti-NMDA Receptor Encephalitis

    Tachycardia and bradycardia, blood pressure lability, hyperthermia, hypoventilation, and/or apnea were each reported in most patients with autonomic instability.[] Insomnia has been described as similarly managed with pharmacotherapy, using melatonin, clonidine, trazodone, benzodiazepines (lorazepam, clonazepam, diazepam), and gabapentin[] The most distinctive clinical features occurred later and included involuntary choreoathetoid orofacial movements, tachy- or bradycardia and a spontaneous fall in conscious[]

  • Delirium

    His drowsiness, bradycardia, hypotension and electrolyte imbalance provided clinical clues to the diagnosis. 2014 BMJ Publishing Group Ltd.[] This search yielded a total of 2 RCTs for melatonin.[] The objective of this review is to summarize the available data on the use of melatonin and melatonin agonist for the prevention and management of delirium in the elderly[]

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